/* === Светлая тема (значения по умолчанию) === */
:root {
  --bg: #f5f7fb;
  --card: #fff;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #5b5bd6;
  --accent2: #8b5cf6;
  --green: #16a34a;
  --red: #dc2626;
  --border: #e5e7eb;
  --shadow: 0 12px 30px rgba(31, 41, 55, .08);
  --body-gradient: linear-gradient(135deg, #eef2ff, #f8fafc 55%, #fdf2f8);
  --input-bg: #fff;
  --secondary-bg: #eef2ff;
  --secondary-border: #dfe3ff;
  --danger-bg: #fff1f2;
  --danger-border: #fecdd3;
  --progress-bg: #ede9fe;
  --mini-bg: #f8fafc;
  --income-bg: #dcfce7;
  --income-color: #166534;
  --expense-bg: #fee2e2;
  --expense-color: #991b1b;
  --focus-ring: rgba(91, 91, 214, .18);
}

/* === Тёмная тема: активируется атрибутом data-theme="dark" на <html> === */
[data-theme="dark"] {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: #334155;
  --shadow: 0 12px 30px rgba(0, 0, 0, .4);
  --body-gradient: linear-gradient(135deg, #0f172a, #1e1b4b 55%, #172554);
  --input-bg: #0f172a;
  --secondary-bg: #1e293b;
  --secondary-border: #475569;
  --danger-bg: #450a0a;
  --danger-border: #7f1d1d;
  --progress-bg: #312e81;
  --mini-bg: #0f172a;
  --income-bg: #14532d;
  --income-color: #bbf7d0;
  --expense-bg: #450a0a;
  --expense-color: #fecaca;
  --focus-ring: rgba(139, 92, 246, .35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Segoe UI, Arial, sans-serif;
  background: var(--body-gradient);
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background .25s, color .25s;
}

/* === Приветственный экран === */
.welcome-screen {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--body-gradient);
  background-color: var(--bg);
  transition: opacity .4s ease, visibility .4s ease;
}

.welcome-screen--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.welcome-card {
  max-width: 480px;
  width: 100%;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 40px 32px;
  box-shadow: var(--shadow);
}

.welcome-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 8px 24px rgba(91, 91, 214, .25);
}

.welcome-card h1 {
  margin: 0 0 12px;
  font-size: 28px;
}

.welcome-card p {
  margin: 0 0 8px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 15px;
}

.welcome-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 24px 0 28px;
}

.welcome-tag {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: var(--secondary-bg);
  color: var(--accent);
  border: 1px solid var(--secondary-border);
}

.welcome-start {
  width: 100%;
  padding: 14px 20px;
  border: none;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  transition: transform .2s ease, box-shadow .2s ease;
}

.welcome-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(91, 91, 214, .3);
}

.welcome-start:active {
  transform: translateY(0);
}

.app--hidden {
  display: none;
}

.wrap {
  max-width: 1180px;
  margin: auto;
  padding: 28px 18px 44px;
}

.hero {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

.hero p {
  margin: 0;
  opacity: .9;
}

.badge {
  background: rgba(255, 255, 255, .16);
  padding: 12px 16px;
  border-radius: 16px;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: background .25s, border-color .25s;
}

.stat-label {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
}

.green {
  color: var(--green);
}

.red {
  color: var(--red);
}

.purple {
  color: var(--accent);
}

.two {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  margin-top: 18px;
}

h2 {
  margin: 0 0 16px;
  font-size: 21px;
}

form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

input,
select,
button {
  width: 100%;
  padding: 12px 13px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 15px;
  background: var(--input-bg);
  color: var(--text);
  transition: background .25s, border-color .25s, color .25s;
}

input:focus,
select:focus {
  outline: 2px solid var(--focus-ring);
  border-color: var(--accent);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.full {
  grid-column: 1 / -1;
}

button {
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.secondary {
  background: var(--secondary-bg);
  color: var(--accent);
  border: 1px solid var(--secondary-border);
}

.danger {
  background: var(--danger-bg);
  color: var(--red);
  border: 1px solid var(--danger-border);
}

.goal-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.goal-name {
  font-weight: 800;
  font-size: 20px;
}

.progress {
  height: 16px;
  background: var(--progress-bg);
  border-radius: 999px;
  overflow: hidden;
  margin: 18px 0 10px;
}

.bar {
  height: 100%;
  background: linear-gradient(90deg, #22c55e, #14b8a6);
  width: 44.44%;
}

.goal-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.mini {
  padding: 12px;
  background: var(--mini-bg);
  border-radius: 14px;
  transition: background .25s;
}

.mini b {
  display: block;
  font-size: 19px;
  margin-top: 4px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.pill {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.income {
  background: var(--income-bg);
  color: var(--income-color);
}

.expense {
  background: var(--expense-bg);
  color: var(--expense-color);
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.toolbar input,
.toolbar select {
  max-width: 230px;
}

.note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 24px;
}

/* === Кнопка переключения темы: премиальный FAB в правом нижнем углу === */
.theme-toggle {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1000;
  width: 56px;
  height: 56px;
  min-width: 56px;
  padding: 0;
  border-radius: 50%;
  border: none;
  font-weight: 400;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  background: linear-gradient(145deg, #2f3542 0%, #1a1f2e 100%);
  color: #fff;
  box-shadow:
    0 1px 2px rgba(15, 23, 42, .12),
    0 6px 16px rgba(15, 23, 42, .16),
    0 14px 32px rgba(15, 23, 42, .14),
    inset 0 1px 0 rgba(255, 255, 255, .12);
  transition:
    transform .35s cubic-bezier(.34, 1.4, .64, 1),
    box-shadow .35s cubic-bezier(.22, 1, .36, 1),
    background .3s ease;
}

.theme-toggle:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow:
    0 2px 4px rgba(15, 23, 42, .14),
    0 10px 24px rgba(15, 23, 42, .22),
    0 20px 44px rgba(15, 23, 42, .18),
    inset 0 1px 0 rgba(255, 255, 255, .16);
}

.theme-toggle:active {
  transform: translateY(-1px) scale(.94);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, .18),
    0 4px 10px rgba(15, 23, 42, .2),
    inset 0 2px 6px rgba(0, 0, 0, .22);
  transition-duration: .12s;
}

.theme-toggle:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 3px rgba(91, 91, 214, .35),
    0 6px 16px rgba(15, 23, 42, .16),
    0 14px 32px rgba(15, 23, 42, .14);
}

[data-theme="dark"] .theme-toggle {
  background: linear-gradient(145deg, #fff 0%, #eef2f7 100%);
  color: #1e293b;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, .24),
    0 6px 18px rgba(0, 0, 0, .32),
    0 14px 36px rgba(0, 0, 0, .24),
    inset 0 1px 0 rgba(255, 255, 255, .95);
}

[data-theme="dark"] .theme-toggle:hover {
  box-shadow:
    0 2px 4px rgba(0, 0, 0, .28),
    0 10px 28px rgba(0, 0, 0, .38),
    0 22px 48px rgba(0, 0, 0, .3),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

[data-theme="dark"] .theme-toggle:active {
  box-shadow:
    0 1px 2px rgba(0, 0, 0, .3),
    0 4px 10px rgba(0, 0, 0, .28),
    inset 0 2px 8px rgba(15, 23, 42, .12);
}

[data-theme="dark"] .theme-toggle:focus-visible {
  box-shadow:
    0 0 0 3px rgba(139, 92, 246, .45),
    0 6px 18px rgba(0, 0, 0, .32),
    0 14px 36px rgba(0, 0, 0, .24);
}

.theme-icon {
  font-size: 26px;
  line-height: 1;
  display: block;
  user-select: none;
  transition: transform .35s cubic-bezier(.34, 1.4, .64, 1), opacity .25s ease;
}

.theme-toggle:hover .theme-icon {
  transform: scale(1.1) rotate(-6deg);
}

.theme-toggle:active .theme-icon {
  transform: scale(.88);
  transition-duration: .12s;
}

.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 26px;
  }

  form {
    grid-template-columns: 1fr;
  }

  .full {
    grid-column: auto;
  }

  .theme-toggle {
    right: 18px;
    bottom: 18px;
  }

  .welcome-card {
    padding: 32px 24px;
  }

  .welcome-card h1 {
    font-size: 24px;
  }
}
